Morton County climate

Morton County Weather in May

NOAA 1991-2020 normals for Richfield, 8.1 km from Morton County

Average highs run from 74°F on May 1 to 85°F on May 31, and lows from 42°F to 54°F. Normal precipitation for the month is 2.09 in over about 6 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Morton County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
79°F
Average low
48°F
Precipitation
2.09 in
Snowfall
0.8 in
Record high
104°FMay 20, 1956
Record low
21°FMay 4, 1979
Chance of a freeze
34%
Days of 90°F or more
5.7
Daylight
13 h 45 min to 14 h 32 min
Cloud cover
54%
Humidity
48%
Dew point
42°F
Wind
12.3 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 174°F42°F95°F 200829°F 192516%1%
May 274°F42°F98°F 199228°F 192116%1%
May 375°F43°F93°F 194728°F 193516%1%
May 475°F43°F95°F 199621°F 197916%1%
May 575°F43°F97°F 193631°F 197416%1%
May 676°F44°F95°F 201230°F 191517%1%
May 776°F44°F95°F 191627°F 191717%1%
May 876°F45°F98°F 196333°F 192417%1%
May 977°F45°F97°F 195630°F 192417%1%
May 1077°F46°F98°F 197426°F 192417%0%
May 1177°F46°F99°F 196230°F 194617%0%
May 1278°F46°F98°F 196231°F 195318%0%
May 1378°F47°F96°F 202230°F 196618%0%
May 1479°F47°F95°F 196331°F 195318%0%
May 1579°F48°F100°F 199629°F 192418%0%
May 1679°F48°F97°F 199631°F 192318%0%
May 1780°F49°F103°F 192731°F 191519%0%
May 1880°F49°F100°F 202232°F 198619%0%
May 1980°F50°F102°F 199630°F 191519%0%
May 2081°F50°F104°F 195630°F 191519%0%
May 2181°F50°F102°F 192534°F 191520%0%
May 2282°F51°F98°F 193935°F 193120%0%
May 2382°F51°F100°F 196438°F 190320%0%
May 2482°F52°F100°F 200041°F 192421%0%
May 2583°F52°F99°F 195337°F 200221%0%
May 2683°F53°F101°F 192735°F 190121%0%
May 2783°F53°F102°F 200637°F 195021%0%
May 2884°F53°F101°F 197435°F 191522%0%
May 2984°F54°F102°F 198534°F 194722%0%
May 3085°F54°F101°F 200043°F 191522%0%
May 3185°F54°F102°F 200040°F 197322%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Morton County, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 6:52 AM, sunset 8:37 PM
May 31
sunrise 6:29 AM, sunset 9:01 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00146808 (Richfield), public domain. Records: NOAA GHCN-Daily, station USC00142432, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.